Starlight Outdoor Education-Ropes Course Equipment
Starlight Outdoor Education-Ropes Course Equipment

4:1 Mechanical Advantage Pulleys

CMI 4:1 Uplift Unit

CMI's years of experience in pulleys and ascenders come together in this one revolutionary product. A double pulley is mated to a remotely triggered retractable brake. When rigged with the matching color coded companion pulley it serves as the core of a simple four-to-one mechanical advantage system. Easy to set up, easy to store and easy to use, the entire system can be pre-rigged and stored for quick deployment when seconds count. Ideal for use with a tripod rig in confined space applications.

 

Red/Black Anodized Aluminum sideplates, two 3" Aluminum sheaves, Bushing, and Stainless Steel axle. 

MBS Rope Capacity Size Weight Efficiency
12000lbs 1/2" 10x4in 2.4lb 184%

 

$304.00  Made in USA

CMI 3" Double Companion Pulley with Becket

Used in conjunction with the Uplift Unit to create a 4:1 Mechanical Lifting Assembly.

Red/Black Anodized Aluminum sideplates, two 3" Aluminum sheaves, Bushing, and Stainless Steel axle. Includes becket at lower end for rigging.

 

MBS Rope Capacity Size Weight Efficiency
12000lbs 1/2" 7.25x3.75in 1.65lb 184%

 

$133.50  Made in USA 

CMI 3" Double Companion Pulley without Becket

Used in conjunction with the Uplift Unit to create a 4:1 Mechanical Lifting Assembly.

Red/Black Anodized Aluminum sideplates, two 3" Aluminum sheaves, Bushing, and Stainless Steel axle. 

 

MBS Rope Capacity Size Weight Efficiency
12000lbs 1/2" 5.75x3.75in 1.6lb 184%

 

$135.50  Made in USA 

CMI Single Micro Hauler

The new Micro Haulers miniaturize the design of the Uplift, taking self-contained hauling systems where they've never been before. The same operations and features as their big brothers, but measuring only six inches end to end. Handles up to 1/2" rope. Mated with CMI's double micro pulley, they can be stored pre-rigged. Unrigged they will fit in a pocket or small pouch. 

Purple/Grey Anodized Aluminum sideplates, 1-1/4" Aluminum sheave, Bushing, and Stainless Steel axle. 

MBS Rope Capacity Size Weight Efficiency
7000lbs 1/2" 6.25x2.25in 0.45lb n/r

 

$153.00  Made in USA

CMI Double Micro Hauler

The new Micro Haulers miniaturize the design of the Uplift, taking self-contained hauling systems where they've never been before. The same operations and features as their big brothers, but measuring only six inches end to end. Handles up to 1/2" rope. Mated with CMI's double micro pulley, they can be stored pre-rigged. Unrigged they will fit in a pocket or small pouch. 

Purple/Grey Anodized Aluminum sideplates, two 1 1/4" Aluminum sheaves, Bushing, and Aluminum axle. 

MBS Rope Capacity Size Weight Efficiency
7000lbs 1/2" 6.25x2.25in 0.55lb n/r

 

$181.00  Made in USA

CMI Single Micro Pulley

Rescue model.  Purple Anodized Aluminum sideplates, 1 1/4" Aluminum sheave, Bushing, and Stainless Steel axle. 

MBS Rope Capacity Size Weight Efficiency
7000lbs 1/2" 2.75x1.85in 0.15lb 84.1%

 

 

 

$32.50  Made in USA

CMI Double Micro Pulley

This is the pulley you need to mate with your Micro Hauler to create a 4:1 Lifting System.

Double sheave rescue model.  Purple Anodized Aluminum sideplates, two 1 1/4" Aluminum sheaves, Bushing, and Aluminum axle. 

MBS Rope Capacity Size   Weight    Efficiency
7000lbs 1/2" 3.5x1.75in   0.25lb

133.6%

 

 

 

$53.25  Made in USA

  ORDERS OVER               $250

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